* {
    margin: 5px;
    padding: 15px;
}

.yi {
    background-color: #fff3e2;
    width: 300px;
    height: 300px;
    text-align: center;
    padding: 10px auto;
    display: inline-block;
    border: 5px double #f0dacc;
}

div {
    background-color: white;
    text-align: center;
}